All you book worms out there need to stop by Barnes & Noble for a must take advantage of offer. Through 04/20/2013, make a purchase of a NOOK HD+ Tablet and receive $50 in promotional credit to spend on books, apps, and movies for your terrific new eReader via coupon code NOOK50. Choose from the 16GB model for $269, or the 32GB at $299 and then start enjoying a full HD 1920 x 1280 display, browse the internet, check your email, watch movies, TV shows, play games and more anywhere there's an internet connection. Although the offer ends 04/20/2013, devices must be registered by 05/04/2013 to receive the credit.